Since 1851 SCHMETZ has been the leading manufacturer of quality sewing machine needles in the world. These needles are made in the Schmetz factory in India using German made steel.
The Jeans Needle has a modified ball point and a reinforced blade for penetrating extra thick woven fabrics such as denims or quilts with minimum needle deflection, reduced risk of breakage and skipped stitches. The jeans needle has an upper stripe of blue.
The Topstitch Needle is an extra sharp needle with a larger eye and larger groove to accommodate topstitch thread. The topstitch needle has an upper stripe of aqua.
An 80/12 and 90/14 are a medium sized needles for medium weight fabrics. This needle will have an aqua stripe on top and either an orange stripe on bottom (80/12) or a blue stripe (90/14).
The 110/16 diameter needle if for heavyweight denim will have a lower stripe of yellow.